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Staff .NET Developer

Stockholm, SE💼 Full-time🗓 2026-01-21 → 2026-09-11

Core

Technical guardian and principal IC for the entire Backend architecture and ecosystem, ensuring scalability, reliability, and security of systems powering core products.

Role type

Staff .NET Developer (Backend Architect)

Builds

High-throughput backend services, APIs, and distributed systems for global communication products

Domain

Telecommunications / Cloud Infrastructure

Deliverable

production ML models | product features | infrastructure

Required skills

.NET Core/8+, C#, ASP.NET Core, Entity Framework Core, Microservices architecture, Event-driven architecture, Serverless, Domain-Driven Design (DDD), SQL and NoSQL, Cloud platforms (AWS/Azure/GCP)

Preferred skills

System-level thinking, Technical roadmap planning, Mentorship

Technologies

.NET, C#, ASP.NET Core, Entity Framework Core, AWS, Azure, GCP, Docker, Kubernetes

Responsibilities

Lead design and deployment of complex backend services; Drive architectural decisions and serve as technical escalation point; Establish long-term technical vision and roadmap; Act as primary architect for major system initiatives; Identify and resolve technical debt; Mentor engineers and influence engineering standards

Seniority

Staff, hands-on IC with strategic influence

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